/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.chemistry.opencmis.inmemory.server;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.GregorianCalendar;
import java.util.List;
import org.apache.chemistry.opencmis.commons.PropertyIds;
import org.apache.chemistry.opencmis.commons.data.ExtensionsData;
import org.apache.chemistry.opencmis.commons.data.ObjectData;
import org.apache.chemistry.opencmis.commons.data.ObjectInFolderContainer;
import org.apache.chemistry.opencmis.commons.data.ObjectList;
import org.apache.chemistry.opencmis.commons.data.PolicyIdList;
import org.apache.chemistry.opencmis.commons.enums.BaseTypeId;
import org.apache.chemistry.opencmis.commons.enums.ChangeType;
import org.apache.chemistry.opencmis.commons.enums.IncludeRelationships;
import org.apache.chemistry.opencmis.commons.exceptions.CmisInvalidArgumentException;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.ChangeEventInfoDataImpl;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.ObjectDataImpl;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.ObjectListImpl;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.PolicyIdListImpl;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.PropertiesImpl;
import org.apache.chemistry.opencmis.commons.impl.dataobjects.PropertyIdImpl;
import org.apache.chemistry.opencmis.commons.server.CallContext;
import org.apache.chemistry.opencmis.commons.server.ObjectInfoHandler;
import org.apache.chemistry.opencmis.commons.spi.Holder;
import org.apache.chemistry.opencmis.inmemory.storedobj.api.StoreManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class InMemoryDiscoveryServiceImpl extends InMemoryAbstractServiceImpl {
private static final Logger LOG = LoggerFactory.getLogger(InMemoryDiscoveryServiceImpl.class);
public InMemoryDiscoveryServiceImpl(StoreManager storeManager) {
super(storeManager);
}
public ObjectList getContentChanges(CallContext context, String repositoryId, Holder<String> changeLogToken,
Boolean includeProperties, String filter, Boolean includePolicyIds, Boolean includeAcl,
BigInteger maxItems, ExtensionsData extension, ObjectInfoHandler objectInfos) {
// dummy implementation using hard coded values
final int ITEMS_AVAILABLE = 25;
int token = 0;
if (changeLogToken != null && changeLogToken.getValue() != null) {
if (!changeLogToken.getValue().startsWith("token-")) {
throw new CmisInvalidArgumentException("Unknown change log token!");
}
try {
token = Integer.parseInt(changeLogToken.getValue().substring(6));
} catch (NumberFormatException nfe) {
throw new CmisInvalidArgumentException("Unknown change log token!", nfe);
}
if (token < 0 || token > ITEMS_AVAILABLE) {
throw new CmisInvalidArgumentException("Unknown change log token!");
}
}
ObjectListImpl objList = new ObjectListImpl();
long timestamp = System.currentTimeMillis() - 60 * 1000;
// convert ObjectInFolderContainerList to objectList
List<ObjectData> lod = new ArrayList<ObjectData>();
if (null == maxItems) {
maxItems = BigInteger.valueOf(ITEMS_AVAILABLE);
}
int last = Math.min(ITEMS_AVAILABLE, token + maxItems.intValue());
for (int i = token; i < last; i++) {
// add a dummy delete event
ObjectDataImpl odImpl = new ObjectDataImpl();
PropertiesImpl props = new PropertiesImpl();
props.addProperty(new PropertyIdImpl(PropertyIds.OBJECT_ID, "cl-" + i));
props.addProperty(new PropertyIdImpl(PropertyIds.OBJECT_TYPE_ID, BaseTypeId.CMIS_DOCUMENT.value()));
props.addProperty(new PropertyIdImpl(PropertyIds.BASE_TYPE_ID, BaseTypeId.CMIS_DOCUMENT.value()));
odImpl.setProperties(props);
ChangeEventInfoDataImpl changeEventInfo = new ChangeEventInfoDataImpl();
changeEventInfo.setChangeType(ChangeType.DELETED);
GregorianCalendar eventTimestamp = new GregorianCalendar();
eventTimestamp.setTimeInMillis(timestamp + i * 1000);
changeEventInfo.setChangeTime(eventTimestamp);
odImpl.setChangeEventInfo(changeEventInfo);
if (includePolicyIds != null && includePolicyIds) {
PolicyIdList policies = new PolicyIdListImpl();
odImpl.setPolicyIds(policies);
}
lod.add(odImpl);
}
objList.setObjects(lod);
objList.setNumItems(BigInteger.valueOf(ITEMS_AVAILABLE - token));
objList.setHasMoreItems(false);
String changeToken = "token-" + (token + lod.size() - 1);
if(changeLogToken != null) {
changeLogToken.setValue(changeToken);
}
// To be able to provide all Atom links in the response we need
// additional information:
if (objectInfos != null) {
fAtomLinkProvider.fillInformationForAtomLinks(context, repositoryId, null, objectInfos, objList);
}
return objList;
}
private void convertList(List<ObjectData> lod, ObjectInFolderContainer obj) {
lod.add(obj.getObject().getObject());
// add dummy event info
ObjectData oif = obj.getObject().getObject();
ObjectDataImpl oifImpl = (ObjectDataImpl) oif;
ChangeEventInfoDataImpl changeEventInfo = new ChangeEventInfoDataImpl();
changeEventInfo.setChangeType(ChangeType.UPDATED);
changeEventInfo.setChangeTime(new GregorianCalendar());
oifImpl.setChangeEventInfo(changeEventInfo);
if (null != obj.getChildren()) {
for (ObjectInFolderContainer oifc : obj.getChildren()) {
convertList(lod, oifc);
}
}
}
public ObjectList query(CallContext context, String repositoryId, String statement, Boolean searchAllVersions,
Boolean includeAllowableActions, IncludeRelationships includeRelationships, String renditionFilter,
BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
LOG.debug("start query()");
validator.query(context, repositoryId, extension);
String user = context.getUsername();
ObjectList res;
res = fStoreManager.query(context, user, repositoryId, statement, searchAllVersions, includeAllowableActions,
includeRelationships, renditionFilter, maxItems, skipCount);
LOG.debug("stop query()");
return res;
}
}